Weekend weather forecast for Penarth - 15 May to 17 May
By Mr.Data 15th May 2026
Weekend Weather Outlook for Penarth
The weekend weather forecast for Penarth suggests a blend of clouds and occasional rain, with temperatures maintaining a consistent level across all three days. Temperatures will fluctuate between 4°C at the lowest and 13°C at the highest, with wind speeds increasing as the weekend progresses. Humidity remains on the higher side, contributing to a generally dull and overcast ambiance.
Friday: The day will begin with partly cloudy skies, transitioning into rain by the afternoon. Expect a maximum temperature of 13°C and a minimum of 4°C. Humidity is forecasted at 67%, with a precipitation chance of 55%. Winds will be moderate at a speed of 16mph.
Saturday: The skies will remain overcast throughout the day. The temperature will range from a mild 9°C to a high of 13°C, with humidity rising to 76%. There is a 45% chance of precipitation, and winds will pick up slightly, reaching 18mph.
Sunday: The day continues with cloudy conditions. Temperatures will stay consistent between 11°C and 13°C. Humidity peaks at 78%, while the chance of rain is 39%. Notably, wind speeds will increase significantly to 31mph, marking the windiest day of the weekend.
Commuting Advice: Commuters in Penarth should prepare for wet conditions on Friday afternoon, so carrying an umbrella or a raincoat would be wise. Increasing winds on Sunday could cause disruptions, especially for those travelling by foot or bicycle. Drivers should be cautious, particularly on wind-exposed routes.
Advice for Weekend Plans: If you have outdoor activities planned, consider scheduling them during the morning on Friday when the weather is drier. Saturday and Sunday’s cloudiness can still allow for productive time outdoors, albeit dressing warmly and preparing for brisk winds especially on Sunday. Keeping plans flexible and being prepared for light showers would be prudent.
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